The telephone portion of the multiplexer converts a standard loop start 4~192 telephone circuit to light signals for transmission over fiber optic cable.
It support FXO、FXS、2~4*EM、2~4*Audio、RS232、V.35、1~3E1、Ethernet port、Magneto Telephone.
It support CID(Caller Identification)、Fax function.
HS-OPTEL Series slot Phone fiber mux is an optical transmission equipment ,it can realize  long-distance voice transmission through fiber. The equipment adopt  the design of super large scale integrated circuit , its outward appearance is succinct. For its merits, it is easy to install and debug ,nedds little maintenance ,and has steady performance .

Application:

1、features 

1.1 Advantages
      a)Abundant interface varieties, convenient for the reception of multiplex service;
      b)Voice interface with caller ID and counter-pole signal;
      c)Optional optical transmission interface,connect directly to optical fiber;
      d)Perfect status display function, easy to maintain;
      e)Small bulk, attractive appearance, convenient for  installation and operation.

 1.2 Environmental requirement
      operating temperature：             0℃～40℃
      relative humidity：                  ≤90%（25℃）

 1.3 power supply
      input voltage：                   -48V (-36V～-72V)
      input current：                               ＜1A  

2、Technical index

 2.1 optical interface parameter
      Optical wavelength：850/1310nm for multi-mode fiber, 1310/1550nm for single-mode fiber.
      Optical interface：   SC/FC
      Transceiver module：>-6dBm
      Optical receiver sensitivity：<-36(BER<10)
      Receive range：>-30dB
      Transmission distance：multi-mode 2 Km, single-mode 40 Km, single-mode 80 Km,single-mode 120 Km
      Jitter tolerance：according with G.742 and G.823.
   
      2Mb/s interface(6*2M)
      Standard E1 interface in conformity with ITU-T G.703, G.704, G.712 
      a)Bit rate：                          2048Kbps±50ppm  
      b)code pattern：                         HDB3  
      c)interface impedance：                75Ω   

2.2 User and loop interface
      a)impedance：                         200Ω+680Ω||0.1μF
      b)insertion loss：                      -3±0.75dB  
      c)frequency characteristic：      300～3400Hz(-0.6～+3dB) 
      d)cacophony：                         ≤63.7dBmop  cacophony
      e)crosstalk attenuation：           ≥65dB  
      f)loop impedance：                   ≤1800Ω

2.3 Two/Four line  acoustic frequency interface
      a)impedance：                                600Ω
      b)Four line AD gain：                     14dB（factory adjustable）
      c)Four line DA gain：                     -2 dB（factory adjustable）
      d)Four line AD frequency characteristic：-0.2 - +0.2dB
      e)Four line DA frequency characteristic：-0.2 - +0.2dB
      f)Two line AD frequency characteristic：  -0.2 - +0.2dB
      g)Two line DA frequency characteristic：  -0.2 - +0.2dB（factory adjustable）
      h)Return loss：                                         40dB
      i)degree of balance：                                70dB
      j)Common  mode rejection ratio：    70dB
      k)power rejection ratio：                          30dB
      m)vacant channel noise：                         ≥65dB

 2.4 Two/Four line E&M interface 
      a)impedance：                                           600Ω
      b)Four line AD gain：                              14dB（factory adjustable）
      c)Four line DA gain：                                -2 dB（factory adjustable）
      d)Four line AD frequency characteristic：  -0.2 - +0.2dB
      e)Four line DA frequency characteristic：  -0.2 - +0.2dB
      f)Two line AD frequency characteristic：   -0.2 - +0.2dB
      g)Two line DA frequency characteristic：   -0.2 - +0.2dB（factory adjustable）
      h)Return loss：                                          40dB
      i)degree of balance：                                 70dB
      j)Common  mode rejection ratio：     70dB
      k)power rejection ratio：                           30dB
      m)vacant channel noise：                           ≥65dB

2.5 V.24 interface  
      a)interface type：                        V.24 asynchronous
      b)speed：                                   0 - 19.2Kbps 

2.6 V.35 interface
      a)interface type：                          V.35 synchronous
      b)speed：                                 Nx64Kb/s（N =1-15）
      c)timing mode：                                DCE

2.7 10Base_T interface
      a)interface type：                           10Base-T
      b)transmission speed：          Nx64Kb/s（N = 1-15）
      c)protocol：                               link layer bridging

3、Outline dimension
      adopt 19-inch standard casing . 
      Dimension:260mm×480mm×44mm (L×W×H)

Order Information:

Style No.	Description
HS-OPTEL04	4 tel (optional 1 100Base_T Ethernet / 4*E1)
HS-OPTEL08	8 tel (optional 1 100Base_T Ethernet / 4*E1)
HS-OPTEL16	16 tel (optional 1 100Base_T Ethernet / 4*E1)
HS-OPTEL30	30 tel (optional 1 100Base_T Ethernet )
HS-OPTEL46	46 tel (optional 1 100Base_T Ethernet / 3*E1)
HS-OPTEL60	60 tel (optional 1 100Base_T Ethernet / 3*E1)
HS-OPTEL192	192 tel (optional 1 100Base_T Ethernet )